<template>
  <transition name="slide">
    <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
  </transition>
</template>
<script>
import { mapGetters } from 'vuex'
import { getSingerDetail2, getMusicVkey } from 'api/singer'
import { ERR_OK } from 'api/config'
import { createSong } from 'common/js/song'
import MusicList from 'components/music-list/music-list'
export default {
  name: 'singer-detail',
  data () {
    return {
      songs: []
    }
  },
  computed: {
    ...mapGetters(['singer']),
    title () {
      return this.singer.name
    },
    bgImage () {
      return this.singer.avatar
    }
  },
  components: {
    MusicList
  },
  methods: {
    _getDetail () {
      if (!this.singer.id) {
        this.$router.push('/singer')
      }
      getSingerDetail2(this.singer.id).then(res => {
        if (res.code === ERR_OK) {
          this.songs = this._normalizeSongs(res.data.list)
        }
      })
    },
    _normalizeSongs (list) {
      let ret = []
      // getMusicVkey
      list.forEach((item) => {
        let { musicData } = item
        let { songmid } = musicData
        getMusicVkey(songmid).then((res) => {
          let { data: { items: [ { vkey } ] } } = res
          musicData.vkey = vkey
          if (musicData.songid && musicData.albummid) {
            ret.push(createSong(musicData))
          }
        })
      })
      return ret
    }
  },
  created () {
    this._getDetail()
  }
}
</script>
<style lang="stylus" scoped>
@import "~common/stylus/variable"
  .slide-enter, .slide-leave-to
    transform: translate3d(100%, 0, 0)
  .slide-enter-active, .slide-leave-active
    transition: all 0.3s
</style>
